Illinois Pocket Watch Serial Numbers

The serial number is stamped on the movement — not the case. Open the back carefully to locate it. Enter it below for an instant year estimate.

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Serial Number Table

Year	From Serial	Year	From Serial
1872	1	1900	1,800,001
1873	500	1901	1,900,001
1874	2,001	1902	2,000,001
1875	9,001	1903	2,150,001
1876	20,001	1904	2,300,001
1877	40,001	1905	2,450,001
1878	60,001	1906	2,600,001
1879	80,001	1907	2,750,001
1880	100,001	1908	2,900,001
1881	150,001	1909	3,050,001
1882	200,001	1910	3,200,001
1883	275,001	1911	3,350,001
1884	350,001	1912	3,500,001
1885	425,001	1913	3,700,001
1886	500,001	1914	3,900,001
1887	600,001	1915	4,100,001
1888	700,001	1916	4,300,001
1889	800,001	1917	4,500,001
1890	900,001	1918	4,700,001
1891	1,000,001	1919	4,900,001
1892	1,100,001	1920	5,100,001
1893	1,200,001	1921	5,200,001
1894	1,300,001	1922	5,300,001
1895	1,400,001	1923	5,400,001
1896	1,500,001	1924	5,500,001
1897	1,600,001	1925	5,550,001
1898	1,700,001	1926	5,600,001
1899	1,800,001	1927	5,650,001

Note: Illinois production slowed after 1920 in advance of the Hamilton acquisition in 1927.